feat: Implement backend API and basic frontend structure

Adds initial backend API endpoints for fetching users and attendances, including basic filtering. Sets up the frontend routing with a layout component and includes placeholder pages for dashboard, users, and login. Refactors the README for local development setup.

pages/TeamManagement.tsx

@@ -0,0 +1,285 @@
+import React, { useState } from 'react';
+import { Users, Plus, MoreHorizontal, Mail, Shield, Search, X, Edit, Trash2, Save } from 'lucide-react';
+import { USERS } from '../constants';
+import { User } from '../types';
+
+export const TeamManagement: React.FC = () => {
+  const [users, setUsers] = useState<User[]>(USERS.filter(u => u.role !== 'super_admin')); // Default hide super admin from list
+  const [isModalOpen, setIsModalOpen] = useState(false);
+  const [searchTerm, setSearchTerm] = useState('');
+  
+  // State for handling Add/Edit
+  const [editingUser, setEditingUser] = useState<User | null>(null);
+  const [formData, setFormData] = useState({
+    name: '',
+    email: '',
+    role: 'agent' as 'super_admin' | 'admin' | 'manager' | 'agent',
+    team_id: 'sales_1',
+    status: 'active' as 'active' | 'inactive'
+  });
+
+  const filteredUsers = users.filter(u => 
+    u.name.toLowerCase().includes(searchTerm.toLowerCase()) || 
+    u.email.toLowerCase().includes(searchTerm.toLowerCase())
+  );
+
+  const getRoleBadge = (role: string) => {
+    switch (role) {
+      case 'super_admin': return 'bg-slate-900 text-white border-slate-700';
+      case 'admin': return 'bg-purple-100 text-purple-700 border-purple-200';
+      case 'manager': return 'bg-blue-100 text-blue-700 border-blue-200';
+      default: return 'bg-slate-100 text-slate-700 border-slate-200';
+    }
+  };
+
+  const getStatusBadge = (status: string) => {
+    if (status === 'active') {
+      return 'bg-green-100 text-green-700 border-green-200';
+    }
+    return 'bg-slate-100 text-slate-500 border-slate-200';
+  };
+
+  // Actions
+  const handleDelete = (userId: string) => {
+    if (window.confirm('Tem certeza que deseja excluir este usuário? Esta ação não pode ser desfeita.')) {
+      setUsers(prev => prev.filter(u => u.id !== userId));
+    }
+  };
+
+  const openAddModal = () => {
+    setEditingUser(null);
+    setFormData({ name: '', email: '', role: 'agent', team_id: 'sales_1', status: 'active' });
+    setIsModalOpen(true);
+  };
+
+  const openEditModal = (user: User) => {
+    setEditingUser(user);
+    setFormData({
+      name: user.name,
+      email: user.email,
+      role: user.role,
+      team_id: user.team_id,
+      status: user.status
+    });
+    setIsModalOpen(true);
+  };
+
+  const handleSave = (e: React.FormEvent) => {
+    e.preventDefault();
+    
+    if (editingUser) {
+      // Update existing user
+      setUsers(prev => prev.map(u => u.id === editingUser.id ? { ...u, ...formData } : u));
+    } else {
+      // Create new user
+      const newUser: User = {
+        id: Date.now().toString(),
+        tenant_id: 'tenant_123', // Mock default
+        avatar_url: `https://ui-avatars.com/api/?name=${encodeURIComponent(formData.name)}&background=random`,
+        ...formData
+      };
+      setUsers(prev => [...prev, newUser]);
+    }
+    setIsModalOpen(false);
+  };
+
+  return (
+    <div className="space-y-8 max-w-7xl mx-auto">
+      <div className="flex flex-col md:flex-row md:items-center justify-between gap-4">
+        <div>
+          <h1 className="text-2xl font-bold text-slate-900 tracking-tight">Gerenciamento de Equipe</h1>
+          <p className="text-slate-500 text-sm">Gerencie acesso, funções e times de vendas da sua organização.</p>
+        </div>
+        <button 
+          onClick={openAddModal}
+          className="flex items-center gap-2 bg-slate-900 text-white px-4 py-2 rounded-lg text-sm font-medium hover:bg-slate-800 transition-colors shadow-sm"
+        >
+          <Plus size={16} /> Adicionar Membro
+        </button>
+      </div>
+
+      <div className="bg-white border border-slate-200 rounded-xl shadow-sm overflow-hidden">
+        {/* Toolbar */}
+        <div className="p-4 border-b border-slate-100 flex items-center justify-between gap-4">
+          <div className="relative w-full max-w-sm">
+             <Search size={16} className="absolute left-3 top-1/2 -translate-y-1/2 text-slate-400" />
+             <input 
+                type="text" 
+                placeholder="Buscar por nome ou e-mail..." 
+                className="w-full pl-9 pr-4 py-2 bg-slate-50 border border-slate-200 rounded-lg text-sm outline-none focus:ring-2 focus:ring-blue-100 transition-all"
+                value={searchTerm}
+                onChange={(e) => setSearchTerm(e.target.value)}
+             />
+          </div>
+          <div className="text-sm text-slate-500 hidden sm:block">
+            {filteredUsers.length} membros encontrados
+          </div>
+        </div>
+
+        {/* Table */}
+        <div className="overflow-x-auto">
+          <table className="w-full text-left border-collapse">
+            <thead>
+              <tr className="bg-slate-50/50 text-slate-500 text-xs uppercase tracking-wider border-b border-slate-100">
+                <th className="px-6 py-4 font-semibold">Usuário</th>
+                <th className="px-6 py-4 font-semibold">Função</th>
+                <th className="px-6 py-4 font-semibold">Time</th>
+                <th className="px-6 py-4 font-semibold">Status</th>
+                <th className="px-6 py-4 font-semibold text-right">Ações</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-slate-100 text-sm">
+              {filteredUsers.map((user) => (
+                <tr key={user.id} className="hover:bg-slate-50/50 transition-colors group">
+                  <td className="px-6 py-4">
+                    <div className="flex items-center gap-3">
+                      <div className="relative">
+                        <img src={user.avatar_url} alt="" className="w-10 h-10 rounded-full border border-slate-200 object-cover" />
+                        <span className={`absolute bottom-0 right-0 w-3 h-3 rounded-full border-2 border-white ${user.status === 'active' ? 'bg-green-500' : 'bg-slate-300'}`}></span>
+                      </div>
+                      <div>
+                        <div className="font-semibold text-slate-900">{user.name}</div>
+                        <div className="flex items-center gap-1.5 text-xs text-slate-500">
+                           <Mail size={12} /> {user.email}
+                        </div>
+                      </div>
+                    </div>
+                  </td>
+                  <td className="px-6 py-4">
+                    <span className={`inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-semibold border capitalize ${getRoleBadge(user.role)}`}>
+                       {user.role === 'manager' ? 'Gerente' : user.role === 'agent' ? 'Agente' : user.role === 'admin' ? 'Admin' : 'Super Admin'}
+                    </span>
+                  </td>
+                  <td className="px-6 py-4 text-slate-600 font-medium">
+                    {user.team_id === 'sales_1' ? 'Vendas Alpha' : user.team_id === 'sales_2' ? 'Vendas Beta' : '-'}
+                  </td>
+                  <td className="px-6 py-4">
+                    <span className={`inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-semibold border capitalize ${getStatusBadge(user.status)}`}>
+                       {user.status === 'active' ? 'Ativo' : 'Inativo'}
+                    </span>
+                  </td>
+                  <td className="px-6 py-4 text-right">
+                    <div className="flex items-center justify-end gap-2 opacity-0 group-hover:opacity-100 transition-opacity">
+                      <button 
+                        onClick={() => openEditModal(user)}
+                        className="p-2 text-slate-400 hover:text-blue-600 hover:bg-blue-50 rounded-lg transition-colors"
+                        title="Editar Usuário"
+                      >
+                        <Edit size={16} />
+                      </button>
+                      <button 
+                        onClick={() => handleDelete(user.id)}
+                        className="p-2 text-slate-400 hover:text-red-600 hover:bg-red-50 rounded-lg transition-colors"
+                        title="Excluir Usuário"
+                      >
+                        <Trash2 size={16} />
+                      </button>
+                    </div>
+                  </td>
+                </tr>
+              ))}
+              {filteredUsers.length === 0 && (
+                <tr>
+                  <td colSpan={5} className="px-6 py-8 text-center text-slate-400 italic">Nenhum usuário encontrado.</td>
+                </tr>
+              )}
+            </tbody>
+          </table>
+        </div>
+      </div>
+
+       {/* Add/Edit Modal */}
+       {isModalOpen && (
+        <div className="fixed inset-0 z-50 flex items-center justify-center p-4 bg-slate-900/50 backdrop-blur-sm">
+          <div className="bg-white rounded-xl shadow-xl w-full max-w-md overflow-hidden animate-in fade-in zoom-in duration-200">
+            <div className="px-6 py-4 border-b border-slate-100 flex justify-between items-center bg-slate-50/50">
+              <h3 className="text-lg font-bold text-slate-900">{editingUser ? 'Editar Usuário' : 'Convidar Novo Membro'}</h3>
+              <button onClick={() => setIsModalOpen(false)} className="text-slate-400 hover:text-slate-600 transition-colors"><X size={20} /></button>
+            </div>
+            
+            <form onSubmit={handleSave} className="p-6 space-y-4">
+               <div className="space-y-2">
+                 <label className="text-sm font-medium text-slate-700">Nome Completo</label>
+                 <input 
+                    type="text" 
+                    required
+                    className="w-full px-3 py-2 border border-slate-200 bg-slate-50 rounded-lg text-sm outline-none focus:ring-2 focus:ring-blue-100 focus:border-blue-400 transition-all" 
+                    placeholder="João Silva" 
+                    value={formData.name}
+                    onChange={(e) => setFormData({...formData, name: e.target.value})}
+                 />
+               </div>
+               
+               <div className="space-y-2">
+                 <label className="text-sm font-medium text-slate-700">Endereço de E-mail</label>
+                 <input 
+                    type="email" 
+                    required
+                    className="w-full px-3 py-2 border border-slate-200 bg-slate-50 rounded-lg text-sm outline-none focus:ring-2 focus:ring-blue-100 focus:border-blue-400 transition-all" 
+                    placeholder="joao@empresa.com" 
+                    value={formData.email}
+                    onChange={(e) => setFormData({...formData, email: e.target.value})}
+                 />
+               </div>
+               
+               <div className="grid grid-cols-2 gap-4">
+                 <div className="space-y-2">
+                   <label className="text-sm font-medium text-slate-700">Função</label>
+                   <select 
+                      className="w-full px-3 py-2 border border-slate-200 bg-slate-50 rounded-lg text-sm outline-none focus:ring-2 focus:ring-blue-100 transition-all cursor-pointer"
+                      value={formData.role}
+                      onChange={(e) => setFormData({...formData, role: e.target.value as any})}
+                   >
+                     <option value="agent">Agente</option>
+                     <option value="manager">Gerente</option>
+                     <option value="admin">Admin</option>
+                   </select>
+                 </div>
+                 
+                 <div className="space-y-2">
+                   <label className="text-sm font-medium text-slate-700">Time</label>
+                   <select 
+                      className="w-full px-3 py-2 border border-slate-200 bg-slate-50 rounded-lg text-sm outline-none focus:ring-2 focus:ring-blue-100 transition-all cursor-pointer"
+                      value={formData.team_id}
+                      onChange={(e) => setFormData({...formData, team_id: e.target.value})}
+                   >
+                     <option value="sales_1">Vendas Alpha</option>
+                     <option value="sales_2">Vendas Beta</option>
+                   </select>
+                 </div>
+               </div>
+
+                <div className="space-y-2">
+                  <label className="text-sm font-medium text-slate-700">Status da Conta</label>
+                  <select 
+                     className="w-full px-3 py-2 border border-slate-200 bg-slate-50 rounded-lg text-sm outline-none focus:ring-2 focus:ring-blue-100 transition-all cursor-pointer"
+                     value={formData.status}
+                     onChange={(e) => setFormData({...formData, status: e.target.value as any})}
+                  >
+                    <option value="active">Ativo</option>
+                    <option value="inactive">Inativo</option>
+                  </select>
+                </div>
+
+               <div className="pt-4 flex justify-end gap-3">
+                 <button 
+                    type="button"
+                    onClick={() => setIsModalOpen(false)}
+                    className="px-4 py-2 text-slate-600 hover:bg-slate-100 rounded-lg text-sm font-medium transition-colors"
+                 >
+                   Cancelar
+                 </button>
+                 <button 
+                    type="submit"
+                    className="flex items-center gap-2 px-4 py-2 bg-slate-900 text-white rounded-lg font-medium text-sm hover:bg-slate-800 transition-colors shadow-sm"
+                 >
+                   <Save size={16} /> {editingUser ? 'Salvar Alterações' : 'Adicionar Membro'}
+                 </button>
+               </div>
+            </form>
+          </div>
+        </div>
+       )}
+    </div>
+  );
+};